Police are asking for the public’s help in identifying two men suspected of stealing six Husqvarna chain saws at a Lowe’s store in Springfield, Mass., according to a report on WGGB-TV, an ABC affiliate.

On May 21, the individuals allegedly placed the items, valued at $766 each, in a store cart and wheeled it out the front door.

Telling employees where and why cameras are being used in the workplace is the best way to avoid legal problems, according to Lisa Guerin, co-author of "The Essential Guide to Federal Employment Laws" (Society for Human Resource Management/Nolo, 2011).

There is implied consent if an employee continues to work in an area where a camera is visible, said Ginger McCall, director of the open government program at the Electronic Privacy Information Center in Washington, D.C.

Across the country, and across a broad spectrum of industries, advertisements sporting mobile bar codes are becoming an increasingly familiar sight. QR codes — quick response codes — are the most common of a few types of bar codes that consumers can scan using a pre-downloaded smartphone app. The bar codes may appear on anything from posters to packaging to catalogs and, when scanned, lead consumers to a specific set of information, often through a mobile website.